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Finding the Fourth Proportional to 365,230.87, 547,846.30 and 98,991.38

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Solution

The fourth proportional to 365,230.87, 547,846.30 and 98,991.38 is: 148,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,230.87 : 547,846.30 = 98,991.38 : x
  2. Step 2: Convert to fraction form
    365,230.87/547,846.30 = 98,991.38/x
  3. Step 3: Cross multiply
    365,230.87x = 547,846.30 × 98,991.38
  4. Step 4: Simplify right side
    365,230.87x = 54,232,061,264.89
  5. Step 5: Solve for x
    x = 54,232,061,264.89/365,230.87
  6. Step 6: Final answer
    x = 148,487.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.